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Observations on the Eclipse of the Sun of August 5, 1766, Made at Colombes, the Observatory of the Marquis of Courtenvaux, 20 degrees West of the Royal Observatory at Paris, and in Lat. 48 degrees 55$^{\prime}$ 28$^{\prime \prime}$. By M. Messier, Astronomer to the Marine of France, of the Royal Academy of Sciences at Paris, and F. R. S. Translated by M. Maty, M. D. Sec. R. S.